China Aerospace Science and Technology Corporation // March 17, 2023

ChinaSat 6E

Launch Overview

Lift of Time:

Launch Window:

Launch Pad:

Launch Facility:

March 17, 2023 - 08:33:00 (+00:00)

08:23:00 - 09:18:00

Launch Complex 2 (LC-2)

Xichang Satellite Launch Center

Mission Details

Geostationary communication satellite in the C- and Ku-bands for China SatCom, based on the DFH-4E satellite bus. Satellite will replace ChinaSat 6B launched in 2007.

Who is CASC?

The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.

What Is Long March 3B/E?

The Long March 3B / E (G2) (CZ-3B / E) is one of the most successful medium-range launchers and the strongest variant of the CZ-3 series. It was specially developed for the transport of heavy communications satellites into a geostationary transfer orbit. The additional designation "E" stands for a higher payload fairing, stretched boosters and extended fuel tanks at the first stage, over the CZ-3B.


YF-25 (stage 1)

YF-21C (stage 1)

The YF-20 is a basic engine when mounted in a four engine module forms the YF-21.

YF-24E (stage 2)

The YF-24E is a combination of (1)YF-22E and (4)YF-23F

YF-75 (stage 3)

The YF-75 engine replaced the YF-73 it is used in the H-18 third stage of the Long March rocket 3A,3B,3C.

Rocket Overview


Long March 3B/E

Launch Complex 2 (LC-2)

Xichang Satellite Launch Center, People's Republic of China

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